/*
 * Copyright 2016-2018 shardingsphere.io.
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * </p>
 */

package io.shardingsphere.orchestration.util;

import lombok.RequiredArgsConstructor;
import lombok.SneakyThrows;

import java.lang.reflect.Field;

/**
 * Field Utility.
 *
 * @author zhangliang
 */
@RequiredArgsConstructor
public final class FieldUtil {
    
    /**
     * Set field.
     * 
     * @param target target to be settled
     * @param fieldName field name to be settled
     * @param fieldValue field value to be settled
     */
    @SneakyThrows
    public static void setField(final Object target, final String fieldName, final Object fieldValue) {
        Field field = target.getClass().getDeclaredField(fieldName);
        field.setAccessible(true);
        field.set(target, fieldValue);
    }
    
    /**
     * Get field value.
     * 
     * @param target target to be getter
     * @param fieldName field name to be getter
     * @return field value
     */
    @SneakyThrows
    public static Object getFieldValue(final Object target, final String fieldName) {
        Field field = target.getClass().getDeclaredField(fieldName);
        field.setAccessible(true);
        return field.get(target);
    }
}
